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Add new script and button to update the metadata date #18

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Add new script and button to update the metadata date #18

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8 changes: 8 additions & 0 deletions Epub.js
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Original file line number Diff line number Diff line change
Expand Up @@ -738,6 +738,14 @@ class Epub {
return sequence;
}

updateDate(dateString) {
let dateEl = this.opf.dom.querySelector("dc\\:date:not([opf\\:event])");
if (dateEl !== null) {
dateEl.textContent = dateString;
}
return Promise.resolve(this.replaceZipObject(this.opf.zipObjectName, this.opf.dom, true));
}

checkForInvalidXhtml() {
let sequence = Promise.resolve();
let bad = [];
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6 changes: 5 additions & 1 deletion index.html
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
<!doctype html>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
Expand Down Expand Up @@ -98,6 +98,10 @@ <h1>Epub Editor</h1>
<td></td>
<td><button id="linkExtraFontsButton">Link extra fonts (ChrysanthemumGarden, requiemtls etc.)</button></td>
</tr>
<tr>
<td></td>
<td><button id="updateDateButton">Update Date</button><input id="updateDateInput" type="text" value="2026-03-10"></td>
</tr>
</table>
<div id="outputTarget">
<h4 id="listHeader"></h4>
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8 changes: 8 additions & 0 deletions main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -156,6 +156,13 @@ class Main {
.then(() => epub.save(this.fileName, "application/epub+zip"));
}

updateDate() {
let dateString = document.getElementById("updateDateInput").value;
let epub = this.epub;
return epub.updateDate(dateString)
.then(() => epub.save(this.fileName, "application/epub+zip"));
}

removeZeroSizeImages() {
return this.removeImages(this.epub.findZeroSizeImages());
}
Expand Down Expand Up @@ -229,6 +236,7 @@ class Main {
document.getElementById("convertTableToDivButton").onclick = this.convertTableToDiv.bind(this);
document.getElementById("appendSourceLinkInEachChapterButton").onclick = this.appendSourceLinkInEachChapter.bind(this);
document.getElementById("linkExtraFontsButton").onclick = this.linkExtraFonts.bind(this);
document.getElementById("updateDateButton").onclick = this.updateDate.bind(this);
document.getElementById("runScriptButton").onclick = this.runScript.bind(this);
document.getElementById("runScriptAsyncButton").onclick = this.runScriptAsync.bind(this);

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